Inertial spin welding of thermoplastic and thermoplastic coated

Details Inertial spin welding of thermoplastic and thermoplastic coated Inertial spin welding of thermoplastic and thermoplastic coated

1983-02-09

1986-04-22

Kimlin, Edward

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156196, 156229, 156 735, 156 74, 156165, 156293, 264 68, 264532, B23K 2700, B29C 2708, B29D 2303, B28C 108

Patent

active

045840377

ABSTRACT:
A thermoplastic container bottom is inertially spin welded into the interior of a cylindrical container body of paperboard internally lined with a layer of thermoplastic material. A body supporting mandrel has an expansible body engaging portion which is inserted into the body and subsequently expanded to define a cylindrical surface of a diameter exactly equal to that of the specified internal diameter of the body. A seating member at the end of the body supporting mandrel establishes the depth to which the container bottom is inserted into the body and is provided with a low-friction projecting resilient member which contacts the rotating bottom.

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